This topic contains a solution. Click here to go to the answer

Author Question: How is the distance to the epicenter of an earthquake determined using a seismograph? a. How hard ... (Read 98 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509

How is the distance to the epicenter of an earthquake determined using a seismograph?
  a. How hard the seismograph needle swings back and forth is noted.
  b. Travel time is clocked and then compared to the reported time of the earthquake at the
  epicenter.
  c. The arrival times of surface waves are noted.
  d. The delay time between the P-wave and the slower S-wave is considered.
  e. You cannot do this with a single seismograph



Question 2

How much more energy does a magnitude 8 earthquake release than a magnitude 7 earthquake?
  a. 2 times more
  b. 10 times more
  c. 30 times more
  d. 900 times more
  e. 27,000 times more




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

C





 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

For a complete list of videos, visit our video library